window.onload=function(){ var ali=document.getElementsByTagName('li'); for (var i = 0; i < ali.length; i++) { ali[i].onmouseover=function(){ move(this,'width',500); } } function move(obj,attr,target){? ? ? ? obj.style.attr = target + "px"; }}
為什么不變成500px？求大神指點
leexiaoxiao
2016-09-27 11:49:51